<template>
  <view>
    <!-- 使用自定义的搜索组件 -->
    <view class="search-box">
      <my_search @click="gotoSearch"></my_search>
    </view>
    
    <!-- 轮播图 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" circular>
      <swiper-item v-for="(item,i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
          <image :src="item.image_src" mode=""></image>
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 分类导航 -->
    <view class="nav-list">
      <view class="nav-img" v-for="(item,index) in navList" :key="index" @click="navClickHandler(item)">
        <image :src="item.image_src" mode="" class="nav-img"></image>
      </view>
    </view>

    <!-- 楼层ui -->
    <view class="floor-list">
      <view class="floor-item" v-for="(item,index) in floorList" :key="index">
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        <!-- 楼层区域图片渲染 -->
        <view class="floor-img-box">
          <!-- 左侧大图片 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" mode="widthFix" :style="{width:item.product_list[0].image_width + 'rpx'}"></image>
            <!-- //  mode="widthFix" 高度自适应 -->
          </navigator>
          <!-- 右侧小盒子 -->
          <view class="right-img-box">
            <navigator class="right-img-item" v-for="(i,index) in item.product_list" :key="index" v-if="index !== 0"
              :url="i.url">
              <image :src="i.image_src" mode="widthFix" :style="{width:i.image_width + 'rpx'}"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>


  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
    mixins:[badgeMix],
    data() {
      return {
        // 轮播图数据
        swiperList: [],
        // 分类导航数据
        navList: [],
        // 楼层数据
        floorList: []
      };
    },
    onLoad() {
      this.getSwiperList(),
        this.getnavList(),
        this.getfloorList()
    },
    methods: {
      async getSwiperList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/swiperdata')
        if (res.meta.status !== 200) {
          return uni.$showMsg()
        }
        this.swiperList = res.message
      },
      async getnavList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/catitems')
        if (res.meta.status !== 200) return uni.$showMsg()
        this.navList = res.message
      },
      navClickHandler(item) {
        // 判断点击的是哪个 nav
        if (item.name === '分类') {
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      // 楼层
      async getfloorList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/floordata')
        if (res.meta.status !== 200) return uni.$showMsg()
        this.floorList = res.message
        // 通过双foreach循环，进行url地址处理
        res.message.forEach(urlList => {
          urlList.product_list.forEach(pace => {
            pace.url = '/subpkg/goods_list/goods_list?' + pace.navigator_url.split('?')[1]
          })
        })
      },
      gotoSearch(){
        uni.navigateTo({
          url:'../../subpkg/search/search'
        })
      }
    }
  }
</script>

<style lang="scss">
  .search-box {
    // 设置定位效果为“吸顶”
    position: sticky;
    // 吸顶的“位置”
    top: 0;
    // 提高层级，防止被轮播图覆盖
    z-index: 999;
  }
  swiper {
    height: 330rpx;

    .swiper-item,
    image {
      width: 100%;
      height: 100%;
    }
  }

  .nav-list {
    display: flex;
    justify-content: space-around;
    margin: 15px 0;

    .nav-img {
      width: 128rpx;
      height: 140rpx;
    }
  }

  .floor-title {
    height: 60rpx;
    width: 100%;
    display: flex;
  }

  .right-img-box {
    display: flex;
    flex-wrap: wrap;
    // 分散布局
    justify-content: space-around;
  }

  .floor-img-box {
    display: flex;
    padding-left: 10rpx;
  }
</style>
